package com.deer.remote.server.util;

import java.security.MessageDigest;

public class MD5 {
	public static void main(String[] args) {
		System.out.println(MD5.encode("web:::127.0.0.1:::29:::;S,I(\\\"**%k#/:!7D").length());
	}

	public static final String encode(String s) {
		try {
			return MD5(s.getBytes("UTF-8"));
		} catch (Exception ex) {
			return null;
		}
	}

	public static final String encode(byte[] buf) {
		return MD5(buf);
	}

	private final static String MD5(byte[] btInput) {
		char hexDigits[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
		try {
			MessageDigest mdInst = MessageDigest.getInstance("MD5");
			mdInst.update(btInput);
			byte[] md = mdInst.digest();
			int j = md.length;
			char str[] = new char[j * 2];
			int k = 0;
			for (int i = 0; i < j; i++) {
				byte byte0 = md[i];
				str[k++] = hexDigits[byte0 >>> 4 & 0xf];
				str[k++] = hexDigits[byte0 & 0xf];
			}
			return new String(str);
		} catch (Exception e) {
			e.printStackTrace();
			return null;
		}
	}

}
